Core Insights - The fourth Changsha International Construction Machinery Exhibition is set to take place, featuring over 2,000 companies and more than 20,000 exhibits across a 300,000 square meter venue [2][3] - The exhibition emphasizes the theme of "strengthening, extending, supplementing, and upgrading the supply chain," introducing new zones for emergency rescue equipment, mining equipment, and transportation equipment [3][4] Group 1: Exhibition Highlights - The largest exhibit is a 4,000-ton all-terrain crane from Zoomlion, which is the world's largest in its category and capable of installing wind turbines at heights of 185 meters [3][4] - Major global brands such as Caterpillar, Levo Heavy Industry, and SANY are showcasing their flagship products, with SANY introducing hydrogen energy and new energy products alongside traditional offerings [4][5] - The exhibition features over 70 intelligent and green products from Shanhe Intelligent, highlighting the industry's shift towards innovation and sustainability [5][6] Group 2: Interactive Experiences - The exhibition includes interactive experiences such as AR operations and remote control demonstrations, allowing visitors to engage with advanced construction machinery technology [6][7] - Daily performances featuring excavators and other machinery will showcase their capabilities in a fun and engaging manner, including unique acts like excavators performing a waltz [7][8] - A dedicated food culture area will present local delicacies, enhancing the overall visitor experience with a blend of machinery and local cuisine [7][8]